Cisco NX-OS System Software Patch Installation Arbitrary File Write Vulnerability

A vulnerability in Cisco NX-OS System Software patch installation could allow an authenticated, local attacker to write a file to arbitrary locations. The vulnerability is due to insufficient restrictions in the patch installation process. An attacker could exploit this vulnerability by installin...

Cisco Aironet 1800, 2800, and 3800 Series Access Points MAC Authentication Bypass Vulnerability

A vulnerability in the implementation of Protected Extensible Authentication Protocol PEAP functionality for standalone configurations of Cisco Aironet 1800, 2800, and 3800 Series Access Points could allow an unauthenticated, adjacent attacker to bypass authentication and connect to an affected...

Cisco Wide Area Application Services ICA Accelerator Denial of Service Vulnerability

A vulnerability in the Independent Computing Architecture ICA accelerator feature for the Cisco Wide Area Application Services WAAS could allow an unauthenticated, remote attacker to cause an ICA application optimization-related process to restart, resulting in a partial denial of service DoS...

Cisco Unified Intelligence Center User Interface Cross-Site Request Forgery Vulnerability

A vulnerability in the Cisco Unified Intelligence Center could allow an unauthenticated, remote attacker to execute unwanted actions. The vulnerability is due to a lack of cross-site request forgery CSRF protection. An attacker could exploit this vulnerability by tricking the user of a web...

Cisco Firepower Management Center Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Firepower Management Center could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting XSS attack against a user of the web-based management interface of an affected device. The vulnerability is due to...

Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Web Interface Information Disclosure Vulnerability

A vulnerability in the web interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network EPN Manager could allow an authenticated, remote attacker to access sensitive data. The attacker does not need administrator credentials and could use this information to conduct additional...

Cisco Firepower 4100 Series NGFW and Firepower 9300 Security Appliance Command Shell Injection Vulnerability

A vulnerability in CLI command processing in the Cisco Firepower 4100 Series Next-Generation Firewall and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to inject arbitrary shell commands that are executed by the device. The vulnerability is due to insufficie...

Cisco NX-OS Software-Based Products Authentication, Authorization, and Accounting Bypass Vulnerability

A vulnerability in the SSH subsystem of the Cisco Nexus family of products could allow an authenticated, remote attacker to bypass authentication, authorization, and accounting AAA restrictions. The vulnerability is due to the improper processing of certain parameters that are passed to an affect...

Cisco Web Security Appliance Native FTP Denial of Service Vulnerability

A vulnerability in the native pass-through FTP functionality of the Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to cause a partial denial of service DoS condition due to high CPU utilization. The vulnerability is due to how the FTP client terminates the FTP...

Cisco IP 8800 Series Phones btcli Utility Command Injection Vulnerability

A vulnerability in a command-line interface CLI utility of the Cisco IP 8800 Series Phones could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted...

Cisco IOS and Cisco IOS XE ntp Subsystem Unauthorized Access Vulnerability

A vulnerability in the ntp subsystem of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to mobilize ntp associations. The vulnerability is due to missing authorization checks on certain ntp packets. An attacker could exploit this vulnerability by ingressing...

Cisco Catalyst Switches Network Mobility Services Protocol Port Information Disclosure Vulnerability

Cisco Catalyst Switches running Cisco IOS Software releases prior to 15.22E1 may allow an unauthenticated, remote attacker to retrieve version information about the software release running on the device by accessing the Network Mobility Services Protocol NMSP port. The vulnerability is due to a...

Cisco IOS XR Software SCP and SFTP Modules Denial of Service Vulnerability

A vulnerability in the Secure Copy Protocol SCP and Secure FTP SFTP modules of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite system files and cause a denial of service DoS condition. The vulnerability is due to improper setting of permissions on the filesystem f...

Cisco DPC3939 (XB3) Router Administrative Web Interface Command Injection Vulnerability

A vulnerability in the administrative web interface of the Cisco DPC3939 XB3 router could allow an authenticated, remote attacker to execute arbitrary commands on the affected system and on the devices managed by the system. The vulnerability is due to improper user input validation. An attacker...

Cisco Firepower 9000 Series Switch Clickjacking Vulnerability

A vulnerability in the web interface of the Cisco Firepower 9000 Series Switch could allow an unauthenticated, remote attacker to affect the integrity of the device though a clickjacking or phishing attack. The vulnerability is due to the lack of proper input sanitization of iFrame data in the HT...

Cisco Secure Access Control Server Dom-Based Cross-Site Scripting Vulnerability

A vulnerability in the Cisco Secure Access Control Server ACS web interface could allow an unauthenticated, remote attacker to impact the integrity of the system by executing a Document Object Model DOM-based, environment or client side, cross-site scripting XSS attack. The vulnerability is due t...

Cisco Prime Collaboration Assurance Information Disclosure Vulnerability

A vulnerability in the web framework of Cisco Prime Collaboration Assurance could allow an authenticated, remote attacker to access information about any device imported into the system database. The vulnerability is due to improper implementation of authorization and access controls. An attacker...

Cisco TelePresence Video Communication Server Expressway Command Execution Vulnerability

A vulnerability in the web framework of the Cisco TelePresence Video Communication Server VCS Expressway could allow an authenticated, remote attacker to execute commands on the underlying operating system. The vulnerability is due to improper authorization of read-only users. An attacker could...

Cisco TelePresence Video Communication Server Expressway Command Injection Vulnerability

A vulnerability in the administrator web interface of the Cisco TelePresence Video Communication Server VCS Expressway could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of a targeted device. The vulnerability is due to insufficient inpu...

Cisco TelePresence Video Communication Server SDP Over SIP Denial of Service Vulnerability

A vulnerability in the Session Description Protocol SDP parser of the Cisco TelePresence Video Communication Server VCS could allow an unauthenticated, remote attacker to cause the Cisco VCS device to become unreachable due to a denial of service DoS attack caused by high CPU utilization. The...

Cisco Application and Content Networking System URL Page Return Cross-Site Scripting Vulnerability

A vulnerability in Cisco Application and Content Networking System ACNS could allow an unauthenticated, remote attacker to conduct cross-site scripting XSS attacks. The vulnerability is due to insufficient validation of the URL of pages that are not accessible to the end user that could be return...

Cisco Headend Digital Broadband Delivery System HTTP Response-Splitting Vulnerability

A vulnerability in the Cisco Headend Digital Broadband Delivery System could allow an unauthenticated, remote attacker to conduct HTTP response-splitting attacks. The vulnerability is due to improper sanitization on user input performed by the HTTP Header Handler within the affected software...

Cisco IOS Measurement, Aggregation, and Correlation Engine Denial of Service Vulnerability

A vulnerability in the Measurement, Aggregation, and Correlation Engine MACE feature of Cisco IOS Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a race condition between process switching and Cisco Express Forwarding...

Cisco Unified Computing System Baseboard Management Controller Arbitrary Command Execution Vulnerability

A vulnerability in the fabric interconnect FI of Cisco Unified Computing System could allow an authenticated, local attacker to execute arbitrary commands on the Baseboard Management Controller BMC with elevated privileges. The vulnerability is due to improper input validation in the MCTOOLS...

Multiple Vulnerabilities in Cisco ASA Software

Cisco ASA Software is affected by the following vulnerabilities: IKE Version 1 Denial of Service Vulnerability Crafted URL Denial of Service Vulnerability Denial of Service During Validation of Crafted Certificates DNS Inspection Denial of Service Vulnerability These vulnerabilities are independe...

Buffer Overflow Vulnerabilities in the Cisco WebEx Player

The Cisco WebEx Recording Format WRF player contains three buffer overflow vulnerabilities. In some cases, exploitation of the vulnerabilities could allow a remote attacker to execute arbitrary code on the system with the privileges of a targeted user. The Cisco WebEx Players are applications tha...

Multiple Vulnerabilities in Cisco Unity Connection

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Cisco Unified Communications Manager IP Phone Personal Address Book Synchronizer Privilege Escalation Vulnerability

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Remote Access VPN and SIP Vulnerabilities in Cisco PIX and Cisco ASA

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Cisco Network Admission Control Shared Secret Vulnerability

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES TH...

Cisco Unified Communications Disaster Recovery Framework Command Execution Vulnerability

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES TH...

Vulnerabilities in Cisco IOS Secure Shell Server

Certain release trains of Cisco Internetwork Operating System IOS®, when configured to use the IOS Secure Shell SSH server in combination with Terminal Access Controller Access Control System Plus TACACS+ as a means to perform remote management tasks on IOS devices, may contain two vulnerabilitie...

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability...

Cisco IOS XR Software CLI Privilege Escalation Vulnerabilities

Multiple vulnerabilities in Cisco IOS XR Software could allow an authenticated, local attacker to execute commands as root on an underlying operating system or gain full administrative control of an affected device. For more information about these vulnerabilities, see the Details "details" secti...

Cisco Nexus 9000 Series Fabric Switches in ACI Mode SNMP Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper processing when...

Cisco Integrated Management Controller Privilege Escalation Vulnerability

A vulnerability in the SSH connection handling of Cisco Integrated Management Controller IMC for Cisco UCS B-Series, UCS C-Series, UCS S-Series, and UCS X-Series Servers could allow an authenticated, remote attacker to access internal services with elevated privileges. This vulnerability is due t...

Cisco IOS Software on Cisco Catalyst 1000 and 2960L Switches Access Control List Bypass Vulnerability

A vulnerability in the access control list ACL programming of Cisco IOS Software that is running on Cisco Catalyst 1000 Switches and Cisco Catalyst 2960L Switches could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to the use of both an IPv4 ACL a...

Cisco Routed Passive Optical Network Controller Vulnerabilities

Multiple vulnerabilities in Cisco Routed Passive Optical Network PON Controller Software, which runs as a docker container on hardware that is supported by Cisco IOS XR Software, could allow an authenticated, remote attacker to perform command injection attacks, execute arbitrary commands on the...

Cisco StarOS Software Key-Based SSH Authentication Privilege Escalation Vulnerability

A vulnerability in the key-based SSH authentication feature of Cisco StarOS Software could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied credentials. An attacker could exploit this...

Cisco Nexus Dashboard Arbitrary File Write Vulnerability

A vulnerability in Cisco Nexus Dashboard could allow an authenticated, remote attacker to write arbitrary files on an affected device. This vulnerability is due to insufficient input validation in the web-based management interface of Cisco Nexus Dashboard. An attacker with Administrator...

Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Web Security Appliance WSA could allow an authenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the interface of an affected device. The vulnerability exists...

Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

Cisco Small Business RV Series Routers Management Interface Command Injection Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges. These vulnerabilities are due to improper...

Cisco SD-WAN Software Packet Filtering Bypass Vulnerability

A vulnerability in the packet filtering features of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to bypass L3 and L4 traffic filters. The vulnerability is due to improper traffic filtering conditions on an affected device. An attacker could exploit this vulnerability by...

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface of an affected device. The vulnerability exists because the web-based management...

Cisco SD-WAN vManage Software Arbitrary File Creation Vulnerability

A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to write arbitrary files to an affected system. The vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by...

Cisco SD-WAN vEdge Routers Denial of Service Vulnerability

A vulnerability in the deep packet inspection DPI engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected system. The vulnerability is due to insufficient handling of malformed packets. An attacker could...

Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability

A vulnerability in the anycast gateway feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a device to learn invalid Address Resolution Protocol ARP entries. The ARP entries are for nonlocal IP addresses for the subnet. The vulnerability is due to improper...

Cisco Email Security Appliance Shortened URL Denial of Service Vulnerability

A vulnerability in the email message scanning feature of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause a temporary denial of service DoS condition on an affected device. The vulnerability is due to inadequate parsing...

Cisco Small Business Series Switches Simple Network Management Protocol Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP input packet processor of Cisco Small Business Sx200, Sx300, Sx500, ESW2 Series Managed Switches and Small Business Sx250, Sx350, Sx550 Series Switches could allow an authenticated, remote attacker to cause the SNMP application of an...